-39.13% is the change from 391 to 238
Calculation steps:
[( 238 - 391 ) ÷ 391] x 100 = -39.13%
Formula
Percentage change = [(238 - 391) / 391] x 100
Subtract the new number by the original number
238 - 391 = -153
-153 ÷ 391 = -0.391304347826087
-0.391304347826087 x 100 = -39.13%